Simple? Yes. Predictable? Hardly. There are a multitude of ways to make skin look younger, fresher, and brighter—and they're things you never would have guessed.

BEAUTY SLEEP CAN GET UGLY

Fusco can tell which side a patient sleeps on by the vertical line on her cheek. "The skin is pressed against wrinkles in the fabric," she says. The best way to avoid sleep lines is to snooze on your back. A more realistic strategy: smooth pillowcases. "Satin or silk is best," says Fusco. "Or buy the softest, highest-thread-count fabric you can."